Dumping-car



2 Sheets-Sheet I.

(No Model.)

J. M. HARTMAN.

DUMPING GAR.

Patented Aug. 4, 1885.

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UNITED STATES PATENT Gretna.

JOHN M. HARTMAN, OF PHILADELPHIA, PENNSYLVANIA.

DUMPlNG-CAR.

SPECIFICATION forming part of Letters Patent No. 323,417, dated August1-, 1885.

Application filed June 7,1884.

f0 aZZ whom it may concern.-

Be it known that I, JOHN M. HARTMAN, of the city and county ofPhiladelphia, in the State of Pennsylvania, have invented certain newand useful Improvements in Devices for Transporting and Dumping theCinder of Blast-Furnaces, &c.

The following is a specification of my improvements, reference being hadto the ac companying drawings, wherein Figure 1 is aside elevation ofthe cinder car and track; Fig. 2, a top or plan view thereof; Fig. 3, atransverse central section through the car, and Fig. l aside elevationof the car in the position for dumping the cinder.

It has been customary heretofore to receive the liquid cinder flowingfrom the furnace in a tank-shaped car, and after running the car upon atrack to the dumping-place to draw off the contents of the car throughan orifice near the bottom and at one side thereof, so that the stillliquid cinder is discharged alongside of the track. This method isobjectionable for the following, among other, reasons: Emptying the carthrough a side outlet necessitates the formation of a special roadbedand track in advance of the point where the discharge is to take place,and soon fills up the dumping space, so that the track must be removedbodily to one side, or a new track started. Furthermore, the drawing offof the contents from below leads to the formation of a crust or skull ofhard cinder on the inside of the car, which is very difficult ofremoval.

The principal object of my invention is to permit the discharge of thecinder forward, or in the direction in which the track runs, and thus toform a constantly-advancing road-bed from the cinder itself, upon whichthe track can be extended without removal sidewise, and withoutrequiring the transportation of special material for the road-bed. Thissystem also allows the dumping of the cinder hytipping the car bodilyinstead of discharging through an orifice, and thus the formation ofskull is avoided. I furthermore so construct and support the car-bodythat the weight of the cinder shall not cause it to sag and bind in itsbearings.

In the accompanying drawings, A is the carbody or tank", constructed ofmetal and lined with refractory material. This car-bodyA is (No model) 1provided with a flange, L, preferably extending all around it, whichrests upon a heavy ring of meta E, having trunuions F, supported onbearings M, mounted upon the frame 0 of car-truck. The ring E is not inclose contact with the car-body A, an open annular space, G, being leftbetween them. The ob ject of this arrangement is to permit the freeexpansion and contraction of the car body without bursting or distortingthe ring itself, and as the sagging or change of shape in the car-bodydoes not affect the ring the trunnions are not liable to bind in theirbearings.

The carbody A is tilted forward, in order to dump its contents, by meansof the wormwheel D, attached to one of the trunnions F, and the worm C,mounted on the frame 0 of the car-truck. The extreme tilted position ofthe car is shown in Fig. 4, and when turned in this manner the car-bodyis prevented from slipping out of the ring E by lugs P, secured to thebody below the ring.

The car-truck is of the ordinary construe tion, except that the wheelsare provided wi th a double tread, J K, as shown in Figs. 2 and 3. whichenables them to run upon tracks of slightly different gage. The objectof this construction is to facilitate the extension of the track as theroad-bed advances. Thus the main track R is laid in the usual manner offull-length rails, and as, from the accumulation of dumped cinder infront of the car, it is necessary to extend the track a short distanceat a time, the auxiliary rails, H H, which fit between the main rails BR, are pushed forward, their front ends resting upon t e cinder lastdumped, and their rear ends beiiig keyed or bolted fast to the maintraclgor iitherwise secured. The double tread of the car-wheels enablesthe car to advance upon the auxiliary rails beyond the main track, andthus the gradual extension of the track is accomplished withoutresorting to the use of short pieces of rail. Vhen the auxiliary rails,H H, have been pushed forward to their full extent, whole rails areadded to the main track R R, and the operation is repeated.

I am aware that the use of a pivoted car for transporting liquid cinderis not new, and I therefore do not claim the same, broadly; but in allsuch devices with which I am acquainted the axis of the pivots has beenat right IOO angles to the axles of the truck-wheels or parallelto thedirection of the track, and the object of such pivoting has not been toenable the contents of the car to be dumped, but to permit the cleaningof the interior. Furthermore, the other features of construction andoperation in such old devices did not permit the dumping of the cinderforward, or in line with an advancing track, which latter object is themain purpose of my invention.

Having thus described my invention, I claim- 1. In a device fortransporting and dumping cinder, the combination of a main track, anauxiliary track of different gage therefrom and capable of extensionlongitudinally be yond the same, a car-truck having doubletread Wheelsadapted to run upon both of said tracks, 'a car-body pivoted upon anaxis, sub- JOHN M. HARTMAN.

\Vitnesses:

J. W'. DOUGLASS, THos. M. SMITH.

